TGE-13 is a Hot work tool steel featuring excellent hot tensile properties, high hot wear resistance, adequate toughness and heat checking resistance; admits water cooling.
Smelting method : EAF+LF+VD+ESR
Main Characteristics : Excellent heat resistance and crack resistance, quite high tenacity, quite high ductility, favorable isotropic, favorite processability and polishability as well as favorable dimension stability during heat treatment.
Major Applications : For various metal pressure casting molds, for example: automobile engine cylinder body, cylinder cover, gearbox shell molds.
Hot extrusion molds, mainly for hot extrusion of aluminium profiles.
High-quality plastic molds, for example: high abrasion resistance plastic molds for automobiles.
Equivalent Grade from BOHLER W302 ISOBLOC
Chemical constituent (%) :
| C | Si | Mn | Cr |
| 0.38 | 0.90 | 0.35 | 5.0 |
| Mo | V | P | S |
| 1.35 | 0.95 | ≤0.015 | ≤0.002 |
Physical Property :
| Room temperature density (kg/m³) | Specific heat of room temperature (J/Kg.K) | 200°C thermal conductivity (W/m.K) |
| 7.80 | 430 | 22 |
| Elastic mouldsus (N/nm²) | Linear Expensivity (x10-6K) 20 ~ 200°C
20 ~ 400°C
|
| 215,000 |
11.3
11.9
|
Ultrasonic flaw detection :
As per SEP1921: E/e flaw detection or GB/T4 162 Class AA flaw detection, i.e., flat bottom hole ≤Φ 1mm, no flaw detection noise wave shall appear or please comply with customer regulation.
Purity :
| Class A | Class B | ||
| Fine | Coarse | Fine | Coarse |
| 1.0 | 0.5 | 1.5 | 1.0 |
| Class C | Class D | ||
| Fine | Coarse | Fine | Coarse |
| 1.0 | 1.0 | 1.5 | 1.0 |
Delivery State :
(1) Delivery hardness: delivery under annealing state, delivery hardness ≤255HB;
(2) Organization state and impact power requirement: the organization and segregation shall comply with North American Die Casting Association No. 207 criterion;
(3) Impact power sample; please sample according to the central part of steel. The samples shall be treated according to criteria in North American Die Casting Association, making sure that hardness of samples at 45±2HRC. Dimension of sample: 7*10*55. Gapless.
| Specification (diameter, thickness mm) | Average impact power at the center part not less than (J) | Minimum impact power per sample not less than (J) |
| > 60~300mm | 240 | 150 |
| > 300mm | 180 | 100 |
Supply Specification :
| Product Name | Specification/mm | Material |
| Forged round bar | Φ 71~810 | TGE 13 |
| Forged module | (120~400) x (300~800) | TGE 13 |
| Rolled round bar | Φ 14.5~70 | TGE 13 |
| Rolled flat bar | (12~120) x (200~810) | TGE 13 |
Thermal Treatment :
| Softening annealing | Quenching |
| Heating to 850°C for heat insulation; cooling to 600°C at 10°C/h air cooling. | 1,020~1,040 quenching; high speed gas quenching or hot oil cooling |
| Tempering |
| Selecting tempering temperature according to hardness requirements; please conduct tempering for 3 times; prevent tempering under 425~550°C. |
Excellent heat resistance and crack resistance, quite high tenacity, quite high ductility, favorable isotropic, favorite processability and polishability as well as favorable dimension stability during heat treatment.
For various metal pressure casting molds, for example: automobile engine cylinder body, cylinder cover, gearbox shell molds.
Hot extrusion molds, mainly for hot extrusion of aluminium profiles.
High-quality plastic molds, for example: high abrasion resistance plastic molds for automobiles.
Equivalent Grade from BOHLER W302 ISOBLOC